Supposed You Used a 10-Point Rating Scale to Measure Intention-To-Buy

Multiple Choice

Supposed you used a 10-point rating scale to measure intention-to-buy (1 = definitely would not buy and 10 = definitely would buy) .If a group of 40 males had a mean of 7 and a standard deviation of 2.5,while a group of 35 females had a mean of 5 and a standard deviation of 1.4,the standard error of the difference between the means would be approximately:

A) 0.48
B) 1.36
C) 2.45
D) not enough information to determine